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Summary of Signficant Accounting Policies (Details Textual 1) - USD ($) $ in Thousands | 6 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2015 | Jun. 30, 2016 | Jun. 30, 2015 | Jun. 30, 2014
Business Acquisition [Line Items] |  |  |  |
Goodwill |  | $ 298,487 | $ 417,389 | $ 975,576
Goodwill, Written off Related to Sale of Business Unit |  | (7,536) |  |
Finite-Lived Intangible Assets, Accumulated Amortization |  | 114,093 | 153,370 |
Goodwill, Acquired During Period |  |  | 2,984 | 246,600
Goodwill Deductible For Tax Purposes |  |  |  | 202,100
Intangible Assets, Gross (Excluding Goodwill) |  | 321,301 | 440,039 |
Goodwill, Impairment Loss |  | (105,711) |  |
Contractual Rights [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Finite-Lived Intangible Assets, Gross |  | 7,152 | 8,523 |
Finite-Lived Intangible Assets, Accumulated Amortization |  | 6,886 | 6,990 |
Finite-lived Intangible Assets, Written off Related to Sale of Business Unit |  | $ 500 |  |
Contractual Rights [Member] | Maximum [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Finite-Lived Intangible Asset, Useful Life |  | 15 years |  |
Contractual Rights [Member] | Minimum [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Finite-Lived Intangible Asset, Useful Life |  | 3 years |  |
Technology-Based and other [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Finite-Lived Intangible Assets, Gross |  | $ 47,323 | 52,820 |
Finite-Lived Intangible Assets, Accumulated Amortization |  | 27,011 | 29,723 |
Finite-lived Intangible Assets, Written off Related to Sale of Business Unit |  | $ 800 |  |
Technology-Based and other [Member] | Maximum [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Finite-Lived Intangible Asset, Useful Life |  | 20 years |  |
Technology-Based and other [Member] | Minimum [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Finite-Lived Intangible Asset, Useful Life |  | 4 years |  |
Customer-related [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Finite-Lived Intangible Assets, Gross |  | $ 205,471 | 275,796 |
Finite-Lived Intangible Assets, Accumulated Amortization |  | 66,938 | 90,141 |
Finite-lived Intangible Assets, Written off Related to Sale of Business Unit |  | $ 30,000 |  |
Customer-related [Member] | Maximum [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Finite-Lived Intangible Asset, Useful Life |  | 21 years |  |
Customer-related [Member] | Minimum [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Finite-Lived Intangible Asset, Useful Life |  | 10 years |  |
Unpatented Technology [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Finite-Lived Intangible Assets, Gross |  | $ 31,837 | 59,449 |
Finite-Lived Intangible Assets, Accumulated Amortization |  | 4,614 | 14,426 |
Finite-lived Intangible Assets, Written off Related to Sale of Business Unit |  | $ 15,400 |  |
Unpatented Technology [Member] | Maximum [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Finite-Lived Intangible Asset, Useful Life |  | 30 years |  |
Unpatented Technology [Member] | Minimum [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Finite-Lived Intangible Asset, Useful Life |  | 10 years |  |
Trademarks [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Finite-Lived Intangible Assets, Gross |  | $ 12,668 | 18,575 |
Finite-Lived Intangible Assets, Accumulated Amortization |  | 8,644 | 12,090 |
Finite-lived Intangible Assets, Written off Related to Sale of Business Unit |  | $ 1,100 |  |
Trademarks [Member] | Maximum [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Finite-Lived Intangible Asset, Useful Life |  | 20 years |  |
Trademarks [Member] | Minimum [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Finite-Lived Intangible Asset, Useful Life |  | 5 years |  |
Trademarks [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Indefinite-Lived Intangible Assets (Excluding Goodwill) |  | $ 16,850 | 24,876 |
Indefinite-lived Intangible Assets, Written off Related to Sale of Business Unit |  | 5,000 |  |
Infrastructure [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Goodwill |  | 0 | 112,860 | 654,081
Goodwill, Written off Related to Sale of Business Unit |  | (6,461) |  |
Goodwill, Acquired During Period |  |  | 0 |
Goodwill and Intangible Asset Impairment | $ 106,100 |  |  |
Goodwill, Impairment Loss | 105,700 | (105,711) |  |
Infrastructure [Member] | Contractual Rights [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Intangible Asset Write-Down |  | 10,500 |  |
Impairment of Intangible Assets (Excluding Goodwill) |  | 5,500 |  |
Reduction of Liability |  | 5,000 |  |
Infrastructure [Member] | Trademarks [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Impairment of Intangible Assets (Excluding Goodwill) | 400 |  |  |
Industrial [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Goodwill |  | 298,500 | 304,529 | $ 321,495
Goodwill, Written off Related to Sale of Business Unit |  | (1,075) |  |
Goodwill, Acquired During Period |  |  | $ 2,984 |
Goodwill, Impairment Loss |  | $ 0 |  |
Industrial [Member] | Trademarks [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Impairment of Intangible Assets (Excluding Goodwill) | $ 2,300 |  |  |

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